AdoNice
contestada

Which sentence is punctuated correctly?

A.
Our grandparents are returning home by train; their departure time is 8:00 A.M.

B.
Our grandparents are returning home by train, their departure time is 8:00 A.M.

C.
Our grandparents are returning home by train their departure time is 8:00 A.M.

D.
Our grandparents are returning home by train; and their departure time is 8:00 A.M.